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annotate req_dep.py @ 63:721bd7a04efb

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author Henry S. Thompson <ht@inf.ed.ac.uk>
date Thu, 14 Dec 2023 10:16:28 +0000
parents e07789816ca5
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
parents:
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1 #!/usr/bin/python2.7
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
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2 import sys
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
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3 kids={}
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
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4 parents={}
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
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5 known=set(())
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
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6 l=sys.stdin.readline()
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
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7 while l:
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
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8 ff=l.strip().split()
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
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9 if len(ff)!=0:
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
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10 d=ff[0]
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
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11 sys.stdin.readline()
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
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12 pp=sys.stdin.readline().strip().replace(',','').split()[2:]
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
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13 parents[d]=pp
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
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14 known.add(d)
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
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15 for p in pp:
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
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16 known.add(p)
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
parents:
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17 try:
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
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18 c=kids[p]
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
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19 c.add(d)
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
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20 except KeyError:
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
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21 c=set([d])
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
parents:
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22 kids[p]=c
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
parents:
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23 l=sys.stdin.readline()
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
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24 roots={}
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
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25 still=set(())
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
parents:
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26 for k in known:
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
parents:
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27 if k in parents:
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
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28 still.add(k)
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
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29 else:
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
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30 roots[k]=set([k])
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
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31 #print len(parents),len(kids),len(roots),len(still),roots
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
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32 print roots.keys()
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
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33 while len(still)>0:
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
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34 #print len(still),len(roots)
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
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35 pend=still
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
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36 still=set([])
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
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37 while len(pend)>0:
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
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38 x=pend.pop()
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
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39 #print x,len(pend)
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
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40 for p in parents[x]:
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
parents:
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41 try:
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
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42 r=roots[p]
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
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43 roots[x]=roots.get(x,set(())).union(r)
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
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44 except KeyError:
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
parents:
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45 if p in parents:
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
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46 still.add(x)
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
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47 for x,r in sorted(roots.items()):
e07789816ca5 adding more python files from lib/python on origen
Henry Thompson <ht@markup.co.uk>
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48 print x,r